Transactions Table

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

NextView Ventures II, L.P. is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	These securities are held directly by NextView Ventures II, L.P. ("NextView II"). NextView Capital Partners II, LLC ("NextView GP II"), the general partner of NextView II, may be deemed to have voting and investment power with respect to the shares held by NextView II. NextView GP II disclaims beneficial ownership of these securities and this report shall not be deemed an admission that it is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein.
F2	These securities are held directly by NextView Ventures II-A, L.P. ("NextView II-A"). NextView GP II, the general partner of NextView II-A, may be deemed to have voting and investment power with respect to the shares held by NextView II-A. NextView GP II disclaims beneficial ownership of these securities and this report shall not be deemed an admission that it is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein.
F3	These securities are held directly by NextView Ventures I Co-Invest Fund, L.P. ("NextView Co-Invest"). NextView Capital Partners Co-Invest, LLC ("NextView GP Co-Invest"), the general partner of NextView Co-Invest, may be deemed to have voting and investment power with respect to the shares held by NextView Co-Invest. NextView GP Co-Invest disclaims beneficial ownership of these securities and this report shall not be deemed an admission that it is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of its pecuniary interest therein.
F4	Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the holder's election for no additional consideration and has no expiration date.

Remarks:

This Form 4 is not being filed in connection with the acquisition or disposition of any securities of the Issuer. NextView II entered into the Letter Agreement Regarding Restriction On Conversion Of Class B Common Stock with the Issuer (the "Agreement") on August 5, 2022. The Agreement provides that the holder of Class B Common Stock will not have a right to convert, subject to certain exceptions, the Class B Common Stock for Class A Common Stock if, as a result of such conversion, NextView II, together with its affiliates (which includes the Reporting Persons), would exceed a beneficial ownership limitation of 9.99% of the number of shares of Class A Common Stock outstanding immediately after giving effect to the issuance of the shares of Class A Common Stock upon conversion of the Class B Common Stock being converted. By virtue of the Agreement, the Reporting Persons are no longer subject to Section 16.